AAEON TECHNOLOGY, INC.
======================

   SBC-670S

   Device Type      Mainboard                                     
   Processor        Pentium Pro                                   
   Processor Speed  150/166/180/200MHz                            
   Chip Set         Intel 440FX                                   
   Maximum Onboard  128MB (EDO supported)                         
   Memory           
   Cache            256/512KB (located on Pentium Pro CPU)        
   BIOS             AMI                                           
   Dimensions       338mm x 122mm                                 
   I/O Options      Floppy drive interface, IDE interfaces (2),   
                    SCSI-2 interface, Wide SCSI interface,        
                    parallel port, PS/2 mouse port, PS/2 mouse    
                    interface, serial ports (2), IR connector,    
                    USB connectors (2)                            

<gopher://bitreich.org/I/th99/m/A-B/35916-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | Power connector   |   CN1    | Parallel port    |   CN12   |
   |-------------------+----------+------------------+----------|
   | Chassis fan power |   CN2    | USB connector 1  |   CN13   |
   |-------------------+----------+------------------+----------|
   | Power LED &       |   CN3    | USB connector 2  |   CN14   |
   | keylock           |          |                  |          |
   |-------------------+----------+------------------+----------|
   | IDE interface LED |   CN4    | IR connector     |   CN15   |
   |-------------------+----------+------------------+----------|
   | Speaker           |   CN5    | GPIO connector   |   CN16   |
   |-------------------+----------+------------------+----------|
   | SCSI-2 interface  |   CN6    | PS/2 mouse       |   CN17   |
   |                   |          | interface        |          |
   |-------------------+----------+------------------+----------|
   | IDE interface 1   |   CN7    | 5v power         |   CN18   |
   |-------------------+----------+------------------+----------|
   | Floppy drive      |   CN8    | Serial port 1    |   CN19   |
   | interface         |          |                  |          |
   |-------------------+----------+------------------+----------|
   | Reset switch      |   CN9    | Serial port 2    |   CN20   |
   |-------------------+----------+------------------+----------|
   | Ultra Wide SCSI   |   CN10   | Auxiliary        |   CN21   |
   | interface         |          | keyboard         |          |
   |                   |          | connector        |          |
   |-------------------+----------+------------------+----------|
   | IDE interface 2   |   CN11   | PS/2 mouse port  |   CN22   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function               | Label |   Position   |
   |-------------------------------------+-------+--------------|
   |>> | Factory configured - do not     |  JP2  | Unidentified |
   |   | alter                           |       |              |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     SIMM CONFIGURATION                     |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |       8MB        |    (2) 1M x 36     |        None        |
   |------------------+--------------------+--------------------|
   |       16MB       |    (2) 2M x 36     |        None        |
   |------------------+--------------------+--------------------|
   |       16MB       |    (2) 1M x 36     |    (2) 1M x 36     |
   |------------------+--------------------+--------------------|
   |       24MB       |    (2) 2M x 36     |    (2) 1M x 36     |
   |------------------+--------------------+--------------------|
   |       32MB       |    (2) 4M x 36     |        None        |
   |------------------+--------------------+--------------------|
   |       32MB       |    (2) 2M x 36     |    (2) 2M x 36     |
   |------------------+--------------------+--------------------|
   |       40MB       |    (2) 4M x 36     |    (2) 1M x 36     |
   |------------------+--------------------+--------------------|
   |       48MB       |    (2) 4M x 36     |    (2) 2M x 36     |
   |------------------+--------------------+--------------------|
   |       64MB       |    (2) 8M x 36     |        None        |
   |------------------+--------------------+--------------------|
   |       64MB       |    (2) 4M x 36     |    (2) 4M x 36     |
   |------------------+--------------------+--------------------|
   |       72MB       |    (2) 8M x 36     |    (2) 1M x 36     |
   |------------------+--------------------+--------------------|
   |       80MB       |    (2) 8M x 36     |    (2) 2M x 36     |
   |------------------+--------------------+--------------------|
   |       96MB       |    (2) 8M x 36     |    (2) 4M x 36     |
   |------------------+--------------------+--------------------|
   |      128MB       |    (2) 8M x 36     |    (2) 8M x 36     |
   |------------------------------------------------------------|
   | Note: Board accepts EDO memory.                            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   | Note: 256KB/512KB cache is located on the Pentium Pro CPU. |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CPU SPEED SELECTION                     |
   |------------------------------------------------------------|
   |   CPU    |  Clock  | Multiplier |  JP3  |   JP4    |  JP5  |
   |  speed   |  speed  |            |       |          |       |
   |----------+---------+------------+-------+----------+-------|
   |  150MHz  |  60MHz  |    2.5x    | 1 & 2 | 3 & 4, 5 | 1 & 2 |
   |          |         |            |       | & 6, 7 & |       |
   |          |         |            |       |    8     |       |
   |----------+---------+------------+-------+----------+-------|
   |  166MHz  |  66MHz  |    2.5x    | 3 & 4 | 3 & 4, 5 | 3 & 4 |
   |          |         |            |       | & 6, 7 & |       |
   |          |         |            |       |    8     |       |
   |----------+---------+------------+-------+----------+-------|
   |  180MHz  |  60MHz  |     3x     | 1 & 2 | 1 & 2, 5 | 1 & 2 |
   |          |         |            |       | & 6, 7 & |       |
   |          |         |            |       |    8     |       |
   |----------+---------+------------+-------+----------+-------|
   |  200MHz  |  66MHz  |     3x     | 3 & 4 | 1 & 2, 5 | 3 & 4 |
   |          |         |            |       | & 6, 7 & |       |
   |          |         |            |       |    8     |       |
   |------------------------------------------------------------|
   | Note: Pins designated should be in the closed position.    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    FLASH BIOS SELECTION                    |
   |------------------------------------------------------------|
   |          Setting           |              JP6              |
   |----------------------------+-------------------------------|
   |             5v             |             Open              |
   |----------------------------+-------------------------------|
   |            12v             |       Pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |             2M             |       Pins 2 & 3 closed       |
   +------------------------------------------------------------+